• Mostly cloudy 68°
    Asthma Current Weather
    • Relative Humidity
      91%
    • Yesterday
      Temp
      69°
    • Pressure
      29.84 inHg
  • Early AM

    May 28

    Lo 66°

    A shower or thunderstorm

    Asthma Weather
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    Day Details >
  • Today

    May 28

    Hi 78°

    A p.m. t-storm in spots

    At High Risk weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    Day Details >
  • Tomorrow

    May 29

    Hi 79°

    An a.m. shower; partly sunny

    Neutral weather for asthma
    • Hi
      RealFeel
      81°
    • UV
      5 - High
    • Air Qual.
      Good
    Day Details >
Next

A thunderstorm tonight

5/28 5/29 Now: 1:21am
AM 1-5
  • 1am Cloudy 68° 34%
  • 2am Cloudy 68° 43%
  • 3am Cloudy 68° 47%
  • 4am Thunderstorms 68° 51%
  • 5am Cloudy 67° 17%
PM 12-5
  • 12pm Cloudy 74° 20%
  • 1pm Cloudy 75° 25%
  • 2pm Thunderstorms 73° 51%
  • 3pm Mostly cloudy 76° 47%
  • 4pm Mostly cloudy 78° 34%
  • 5pm Mostly cloudy 77° 16%
PM 6-11
  • 6pm Mostly cloudy 76° 16%
  • 7pm Mostly cloudy 73° 21%
  • 8pm Cloudy 72° 34%
  • 9pm Cloudy 70° 34%
  • 10pm Cloudy 69° 40%
  • 11pm Thunderstorms 68° 51%
Hourly Forecast >
May 28, 2016; 2:00 AM ET
Extended Weather forecast overview for the North Central United States
North Central Extended Regional Weather Forecast

Crystal Lake Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 28, 2016; 12:01 AM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >

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